High
T2 on Worcester Bosch Hideaway

Your boiler is unable to start because it cannot confirm the fan is spinning correctly to clear waste gases.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

Fan test – checking the basic fan

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Related fault codes

T1View →T3View →T6View →

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